mz_ore::hint

Function black_box

Source
pub fn black_box<T>(dummy: T) -> T
Expand description

A function that is opaque to the optimizer, used to prevent the compiler from optimizing away computations in a benchmark.

This variant is stable-compatible, but it may cause some performance overhead or fail to prevent code from being eliminated.

When std::hint::black_box is stabilized, this function can be removed.